Question

Which of the following statement is not correct.
(a) The electronic configuration of Cr is [Ar] 3d 4s
(b) 'm' can have negative value.
(c) In Ag(47), 23 electrons have one type of spin and 24 electrons have opposite spin.
(d) The oxidation state of nitrogen in HN3 ( Hydrazoic acid) is -3.
3​

Answer 1

Explanation:

aIways m has onIy positive vaIue